205542399

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 296110080

約数和(自身を除く): 90567681

約数列:

[1, 3, 19, 57, 67, 107, 201, 321, 503, 1273, 1509, 2033, 3819, 6099, 7169, 9557, 21507, 28671, 33701, 53821, 101103, 136211, 161463, 408633, 640319, 1022599, 1920957, 3067797, 3606007, 10818021, 68514133, 205542399]

約数ペア:

[(1, 205542399), (3, 68514133), (19, 10818021), (57, 3606007), (67, 3067797), (107, 1920957), (201, 1022599), (321, 640319), (503, 408633), (1273, 161463), (1509, 136211), (2033, 101103), (3819, 53821), (6099, 33701), (7169, 28671), (9557, 21507)]